DIY air conditioner heat pump, is it worse than the original one?

How to make a heat pump from an air conditioner, DIY project with monitoring and control for PLN 4000 https://youtu.be/cvYmq0YtYNY
How to make a heat pump from an air conditioner, DIY project with monitoring and control for PLN 4000 https://youtu.be/cvYmq0YtYNY
https://youtu.be/cvYmq0YtYNY...
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